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High thermal stability enabling effective antioxidant performance at elevated processing temperatures.
Low volatility and minimal decomposition below 250 °C, ensuring consistent protection during polymer processing.
Non-toxic and halogen-free formulation, supporting compliance with RoHS and REACH regulatory requirements.
Excellent compatibility with polyolefins, engineering plastics, and elastomer systems.
Acts as both a primary antioxidant and reducing agent, enhancing synergistic effects with phenolic and phosphite co-stabilizers.
Polypropylene (PP) and polyethylene (PE) packaging films requiring long-term oxidative stability.
Automotive interior components exposed to heat cycling and UV stress.
Wire and cable insulation compounds where electrical integrity must be preserved over service life.
Recycled plastic streams needing robust stabilization against processing-induced degradation.
Thermoplastic elastomers (TPEs) used in medical device housings and consumer goods.
| Chemical Type | Sodium hypophosphite monohydrate (NaH₂PO₂·H₂O) |
| Product Form | White crystalline powder |
| Appearance | Free-flowing, odorless granules or fine crystals |
| Assay (as NaH₂PO₂·H₂O) | ≥ 99.0% (by titration) |
| pH (1% aqueous solution) | 4.0 – 6.0 |
| Heavy Metals (as Pb) | ≤ 10 ppm |
| Moisture Content | 0.5 – 1.5% (w/w) |
| Primary Applications | Polyolefin stabilization, flame-retardant synergist, electroless plating reducer |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
